Opinions from W. Wenz 1938
- 'Ataxotrochus belongs to Coelostylinidae'
- 'Bathytoma belongs to Turridae'
- 'Bellerophontidae belongs to Bellerophontacea'
- 'Bramertonia belongs to Cerithiacea'
- 'Buccinites arculatus is recombined as Strobeus arculatus'
- 'Caricella belongs to Volutidae'
- 'Cimolithium belongs to Metacerithiinae'
- 'Cochlespira belongs to Turridae'
- 'Conomitra belongs to Mitridae'
- 'Cordieria belongs to Turridae'
- 'Crepidula belongs to Calyptraeidae'
- 'Cyrtolites pharetra is recombined as Pharetrolites pharetra'
- 'Doellocosmia belongs to Spirostylidae'
- 'Eligmoloxus belongs to Pseudomelaniidae'
- 'Endiataenia belongs to Coelostylinidae'
- 'Eoclathurella belongs to Turridae'
- 'Eopleurotoma belongs to Turridae'
- 'Eumargarita is a subjective synonym of Margarites'
- 'Euomphalacea is corrected as Euomphaloidea and belongs to '
- 'Euomphalidae belongs to Euomphalacea'
- 'Euomphalus marginalis is recombined as Lesueurilla marginalis'
- 'Galericulus belongs to Calyptraeidae'
- 'Gonioconcha belongs to Purpurinidae'
- 'Gymnocerithium belongs to Procerithiidae'
- 'Gyrodinae belongs to Ampullospirinae' according to Wenz 1941
- 'Halloysia belongs to Cerithiopsidae'
- 'Lyncina aquitanica is recombined as Miolyncina aquitanica'
- 'Macrochilina ptychitica is recombined as Ramina ptychitica'
- 'Melanella belongs to Melanellidae'
- 'Mitrella belongs to Pyrenidae'
- 'Moerkeia [misspelled as Moerckeia] belongs to Purpurinidae'
- 'Trochonema (Nematotrochus) is replaced by Trochonema (Globonema)'
- 'Trochonema (Globonema) bicarinatus is replaced by Trochonema (Globonema) kokeni'
- 'Olivancillaria (Agaronia) was reranked as Agaronia and belongs to Olividae'
- 'Paryphostoma is a subjective synonym of Keilostoma'
- 'Petersia was reranked as Brachytrema (Petersia) and belongs to Brachytrema'
- 'Pirula (Protopirula) capensis is recombined as Protopirula capensis'
- 'Polytremaria belongs to Polytremariinae'
- 'Provermicularia was reranked as Vermicularia (Provermicularia) and belongs to Vermicularia'
- 'Pseudalaria was reranked as Purpurina (Pseudalaria) and belongs to Purpurina'
- 'Pseudobrochidium belongs to Vermetidae'
- 'Pseudoscalites was reranked as Angularia (Pseudoscalites) and belongs to Angularia'
- 'Renea (Pseudotruncatella) is a subjective synonym of Renea (Pleuracme)' according to Wenz 1923
- 'Pseudotruncatella pretiosa is recombined as Renea (Pleuracme) pretiosa' according to Wenz 1923
- 'Pyramidella is corrected as Pyrimidella and belongs to Pyramidellidae'
- 'Rama is replaced by Ramina'
- 'Sandria is replaced by Andrussowiella'
- 'Sandria atava belongs to Sandria' according to Andrusov 1890
- 'Sandria atava is recombined as Andrussowiella atava'
- 'Siphonophyla was reranked as Coelostylina (Siphonophyla) and belongs to Coelostylina'
- 'Spironema belongs to Mathildidae'
- 'Streblorhamphus mirulus is recombined as Mirolacuna mirulus'
- 'Terebrifusus belongs to Buccinidae'
- 'Triton cancellatum is recombined as Argobuccinum (Fusitriton) cancellatus'
- 'Tritonatractus belongs to Vasinae'
- 'Trochonema (Globonema) belongs to Trochonema'
- 'Trochonema (Globonema) kokeni belongs to Trochonema (Globonema)'
- 'Tuba (Protuba) was reranked as Protuba and belongs to Mathildidae'
- 'Turbo helicinus is recombined as Margarita helicinus'
- 'Turriculina belongs to Coelostylinidae'
- 'Vasum belongs to Vasinae'
- 'Zinolia was reranked as Capulus (Zinolia) and belongs to Capulus'
- 'Zinolia speciosus belongs to Zinolia' according to Issel 1922
- 'Zinolia speciosus is recombined as Capulus (Zinolia) speciosus'
- 'Zygopleura belongs to Zygopleuridae'